Home / 790,843.44-1,091,369.14-428,267.36

Finding the Fourth Proportional to 790,843.44, 1,091,369.14 and 428,267.36

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Solution

The fourth proportional to 790,843.44, 1,091,369.14 and 428,267.36 is: 591,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,843.44 : 1,091,369.14 = 428,267.36 : x
  2. Step 2: Convert to fraction form
    790,843.44/1,091,369.14 = 428,267.36/x
  3. Step 3: Cross multiply
    790,843.44x = 1,091,369.14 × 428,267.36
  4. Step 4: Simplify right side
    790,843.44x = 467,397,780,373.27
  5. Step 5: Solve for x
    x = 467,397,780,373.27/790,843.44
  6. Step 6: Final answer
    x = 591,011.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.